drivers/cpufreq/Kconfig.arm

   1 #
   2 # ARM CPU Frequency scaling drivers
   3 #
   4
   5 # big LITTLE core layer and glue drivers
   6 config ARM_BIG_LITTLE_CPUFREQ
   7         tristate "Generic ARM big LITTLE CPUfreq driver"
   8         depends on ARM && BIG_LITTLE && ARM_CPU_TOPOLOGY && HAVE_CLK
   9         select PM_OPP
  10         help
  11           This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
  12
  13 config ARM_DT_BL_CPUFREQ
  14         tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
  15         depends on ARM_BIG_LITTLE_CPUFREQ && OF
  16         help
  17           This enables probing via DT for Generic CPUfreq driver for ARM
  18           big.LITTLE platform. This gets frequency tables from DT.
  19
  20 config ARM_VEXPRESS_SPC_CPUFREQ
  21         tristate "Versatile Express SPC based CPUfreq driver"
  22         depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
  23         help
  24           This add the CPUfreq driver support for Versatile Express
  25           big.LITTLE platforms using SPC for power management.
  26
  27
  28 config ARM_EXYNOS_CPUFREQ
  29         bool
  30
  31 config ARM_EXYNOS4210_CPUFREQ
  32         bool "SAMSUNG EXYNOS4210"
  33         depends on CPU_EXYNOS4210 && !ARCH_MULTIPLATFORM
  34         default y
  35         select ARM_EXYNOS_CPUFREQ
  36         help
  37           This adds the CPUFreq driver for Samsung EXYNOS4210
  38           SoC (S5PV310 or S5PC210).
  39
  40           If in doubt, say N.
  41
  42 config ARM_EXYNOS4X12_CPUFREQ
  43         bool "SAMSUNG EXYNOS4x12"
  44         depends on (SOC_EXYNOS4212 || SOC_EXYNOS4412) && !ARCH_MULTIPLATFORM
  45         default y
  46         select ARM_EXYNOS_CPUFREQ
  47         help
  48           This adds the CPUFreq driver for Samsung EXYNOS4X12
  49           SoC (EXYNOS4212 or EXYNOS4412).
  50
  51           If in doubt, say N.
  52
  53 config ARM_EXYNOS5250_CPUFREQ
  54         bool "SAMSUNG EXYNOS5250"
  55         depends on SOC_EXYNOS5250 && !ARCH_MULTIPLATFORM
  56         default y
  57         select ARM_EXYNOS_CPUFREQ
  58         help
  59           This adds the CPUFreq driver for Samsung EXYNOS5250
  60           SoC.
  61
  62           If in doubt, say N.
  63
  64 config ARM_EXYNOS5440_CPUFREQ
  65         bool "SAMSUNG EXYNOS5440"
  66         depends on SOC_EXYNOS5440
  67         depends on HAVE_CLK && OF
  68         select PM_OPP
  69         default y
  70         help
  71           This adds the CPUFreq driver for Samsung EXYNOS5440
  72           SoC. The nature of exynos5440 clock controller is
  73           different than previous exynos controllers so not using
  74           the common exynos framework.
  75
  76           If in doubt, say N.
  77
  78 config ARM_EXYNOS_CPU_FREQ_BOOST_SW
  79         bool "EXYNOS Frequency Overclocking - Software"
  80         depends on ARM_EXYNOS_CPUFREQ
  81         select CPU_FREQ_BOOST_SW
  82         select EXYNOS_THERMAL
  83         help
  84           This driver supports software managed overclocking (BOOST).
  85           It allows usage of special frequencies for Samsung Exynos
  86           processors if thermal conditions are appropriate.
  87
  88           It reguires, for safe operation, thermal framework with properly
  89           defined trip points.
  90
  91           If in doubt, say N.
  92
  93 config ARM_HIGHBANK_CPUFREQ
  94         tristate "Calxeda Highbank-based"
  95         depends on ARCH_HIGHBANK
  96         select GENERIC_CPUFREQ_CPU0
  97         select PM_OPP
  98         select REGULATOR
  99
 100         default m
 101         help
 102           This adds the CPUFreq driver for Calxeda Highbank SoC
 103           based boards.
 104
 105           If in doubt, say N.
 106
 107 config ARM_IMX6Q_CPUFREQ
 108         tristate "Freescale i.MX6 cpufreq support"
 109         depends on ARCH_MXC
 110         depends on REGULATOR_ANATOP
 111         help
 112           This adds cpufreq driver support for Freescale i.MX6 series SoCs.
 113
 114           If in doubt, say N.
 115
 116 config ARM_INTEGRATOR
 117         tristate "CPUfreq driver for ARM Integrator CPUs"
 118         depends on ARCH_INTEGRATOR
 119         default y
 120         help
 121           This enables the CPUfreq driver for ARM Integrator CPUs.
 122           If in doubt, say Y.
 123
 124 config ARM_KIRKWOOD_CPUFREQ
 125         def_bool ARCH_KIRKWOOD && OF
 126         help
 127           This adds the CPUFreq driver for Marvell Kirkwood
 128           SoCs.
 129
 130 config ARM_OMAP2PLUS_CPUFREQ
 131         bool "TI OMAP2+"
 132         depends on ARCH_OMAP2PLUS
 133         default ARCH_OMAP2PLUS
 134
 135 config ARM_S3C_CPUFREQ
 136         bool
 137         help
 138           Internal configuration node for common cpufreq on Samsung SoC
 139
 140 config ARM_S3C24XX_CPUFREQ
 141         bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
 142         depends on ARCH_S3C24XX
 143         select ARM_S3C_CPUFREQ
 144         help
 145           This enables the CPUfreq driver for the Samsung S3C24XX family
 146           of CPUs.
 147
 148           For details, take a look at <file:Documentation/cpu-freq>.
 149
 150           If in doubt, say N.
 151
 152 config ARM_S3C24XX_CPUFREQ_DEBUG
 153         bool "Debug CPUfreq Samsung driver core"
 154         depends on ARM_S3C24XX_CPUFREQ
 155         help
 156           Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
 157
 158 config ARM_S3C24XX_CPUFREQ_IODEBUG
 159         bool "Debug CPUfreq Samsung driver IO timing"
 160         depends on ARM_S3C24XX_CPUFREQ
 161         help
 162           Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
 163
 164 config ARM_S3C24XX_CPUFREQ_DEBUGFS
 165         bool "Export debugfs for CPUFreq"
 166         depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
 167         help
 168           Export status information via debugfs.
 169
 170 config ARM_S3C2410_CPUFREQ
 171         bool
 172         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
 173         select S3C2410_CPUFREQ_UTILS
 174         help
 175           CPU Frequency scaling support for S3C2410
 176
 177 config ARM_S3C2412_CPUFREQ
 178         bool
 179         depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
 180         default y
 181         select S3C2412_IOTIMING
 182         help
 183           CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
 184
 185 config ARM_S3C2416_CPUFREQ
 186         bool "S3C2416 CPU Frequency scaling support"
 187         depends on CPU_S3C2416
 188         help
 189           This adds the CPUFreq driver for the Samsung S3C2416 and
 190           S3C2450 SoC. The S3C2416 supports changing the rate of the
 191           armdiv clock source and also entering a so called dynamic
 192           voltage scaling mode in which it is possible to reduce the
 193           core voltage of the cpu.
 194
 195           If in doubt, say N.
 196
 197 config ARM_S3C2416_CPUFREQ_VCORESCALE
 198         bool "Allow voltage scaling for S3C2416 arm core"
 199         depends on ARM_S3C2416_CPUFREQ && REGULATOR
 200         help
 201           Enable CPU voltage scaling when entering the dvs mode.
 202           It uses information gathered through existing hardware and
 203           tests but not documented in any datasheet.
 204
 205           If in doubt, say N.
 206
 207 config ARM_S3C2440_CPUFREQ
 208         bool "S3C2440/S3C2442 CPU Frequency scaling support"
 209         depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
 210         select S3C2410_CPUFREQ_UTILS
 211         default y
 212         help
 213           CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
 214
 215 config ARM_S3C64XX_CPUFREQ
 216         bool "Samsung S3C64XX"
 217         depends on CPU_S3C6410
 218         default y
 219         help
 220           This adds the CPUFreq driver for Samsung S3C6410 SoC.
 221
 222           If in doubt, say N.
 223
 224 config ARM_S5PV210_CPUFREQ
 225         bool "Samsung S5PV210 and S5PC110"
 226         depends on CPU_S5PV210
 227         default y
 228         help
 229           This adds the CPUFreq driver for Samsung S5PV210 and
 230           S5PC110 SoCs.
 231
 232           If in doubt, say N.
 233
 234 config ARM_SA1100_CPUFREQ
 235         bool
 236
 237 config ARM_SA1110_CPUFREQ
 238         bool
 239
 240 config ARM_SPEAR_CPUFREQ
 241         bool "SPEAr CPUFreq support"
 242         depends on PLAT_SPEAR
 243         default y
 244         help
 245           This adds the CPUFreq driver support for SPEAr SOCs.
 246
 247 config ARM_TEGRA_CPUFREQ
 248         bool "TEGRA CPUFreq support"
 249         depends on ARCH_TEGRA
 250         default y
 251         help
 252           This adds the CPUFreq driver support for TEGRA SOCs.